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Business Segment Data (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 N | Jun. 30, 2012 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |  |
Number of Reportable Segments |  |  | 2 |  |
Operating Revenues | $ 29,102 | $ 27,401 | $ 56,140 | $ 50,947 |
Operating Income | 8,171 | 7,210 | 14,036 | 11,087 |
Net Income | 4,481 | 3,725 | 7,658 | 5,532 |
Capital Expenditures | 5,716 | 6,436 | 10,222 | 12,574 |
Assets | 552,425 |  | 552,425 |  | 561,726
Regulated |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 25,637 | 24,442 | 49,061 | 45,300 |
Operating Income | 7,678 | 6,878 | 13,016 | 10,381 |
Net Income | 4,235 | 3,557 | 7,145 | 5,144 |
Capital Expenditures | 5,703 | 6,296 | 10,104 | 12,335 |
Assets | 551,039 |  | 551,039 |  | 560,165
Non - Regulated |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 3,580 | 3,089 | 7,316 | 5,847 |
Operating Income | 493 | 332 | 1,020 | 706 |
Net Income | 246 | 168 | 513 | 388 |
Capital Expenditures | 13 | 140 | 118 | 239 |
Assets | 11,444 |  | 11,444 |  | 11,674
Inter-segment Elimination |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | (115) | (130) | (237) | (200) |
Assets | $ (10,058) |  | $ (10,058) |  | $ (10,113)

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- Definition The cash outflow for the purchase of a facility and equipment that provides water supply which includes wells, reservoirs, pumping stations, and control facilities; and waste water systems which includes the waste treatment and disposal facility and equipment to households and industry. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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